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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12097500 GREENWATER RIVER AT GREENWATER, WA


King County, Washington
Hydrologic Unit Code 17110014
Latitude  47°09'13", Longitude 121°38'04" NAD27
Drainage area 73.5  square miles
Gage datum 1,724.81 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1928-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 240 271 212 250 341 434 223 81 53 52 114 226
2 231 245 206 248 351 432 214 79 53 52 116 253
3 231 233 200 237 362 428 208 77 51 54 127 233
4 218 238 199 233 372 425 199 75 50 54 137 215
5 252 234 202 236 379 424 192 74 50 53 139 206
6 242 264 204 246 382 420 186 72 50 50 144 208
7 292 311 194 254 388 418 180 71 49 50 162 204
8 293 305 184 254 394 410 174 70 49 53 154 207
9 249 273 191 252 404 403 168 68 48 56 138 269
10 231 239 193 254 413 400 161 66 48 60 139 271
11 232 223 190 261 421 398 156 65 49 64 149 287
12 235 212 199 265 429 387 150 64 47 63 181 283
13 245 206 202 274 439 381 146 63 46 60 196 264
14 245 210 199 288 446 373 142 62 47 59 177 246
15 264 237 199 285 474 366 137 62 48 61 164 241
16 299 230 200 283 476 361 133 61 48 63 170 234
17 283 222 199 288 478 352 129 59 49 62 194 227
18 278 212 203 298 478 340 124 59 51 65 182 234
19 261 216 209 298 476 329 120 58 50 69 165 227
20 255 216 210 318 472 321 116 57 50 72 175 247
21 253 223 207 326 465 316 112 57 50 74 182 260
22 253 258 207 321 459 308 108 56 48 98 193 260
23 281 219 205 318 454 296 105 56 48 92 213 261
24 283 205 213 323 451 285 102 56 49 90 231 247
25 271 202 223 323 455 272 99 55 49 98 248 236
26 253 205 217 322 461 260 96 55 51 93 253 230
27 239 200 215 325 465 249 93 55 54 88 236 226
28 247 210 213 330 464 242 90 54 53 97 261 239
29 268 255 213 334 462 238 88 53 51 98 259 257
30 272   227 341 456 231 85 54 53 101 223 268
31 284   246   445   83 53   112   241